20238985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3023}}^1$

素因数の和:3144

約数の個数: 16

約数和(自身を含む): 26417664

約数和(自身を除く): 6178679

約数列:

[1, 5, 13, 65, 103, 515, 1339, 3023, 6695, 15115, 39299, 196495, 311369, 1556845, 4047797, 20238985]

約数ペア:

[(1, 20238985), (5, 4047797), (13, 1556845), (65, 311369), (103, 196495), (515, 39299), (1339, 15115), (3023, 6695)]